CVE-2024-43498

The vulnerability is classified as CWE-843 (Type Confusion), which means an error consisting of incorrect interpretation of a data type by the .NET runtime environment. An attacker can provide specially crafted input data that causes incorrect processing of object types, leading to unintended code execution. The attack vector is network-based, requires no authentication or user interaction, which significantly increases its potential reach.

Successful exploitation of the vulnerability gives the attacker full control over the system — it is possible to obtain sensitive data, modify resources, and completely compromise system availability (full CIA triad: confidentiality, integrity, availability).

Microsoft patches released as part of the November 2024 update (Patch Tuesday, 12.11.2024) should be applied immediately. Detailed information about available patch versions can be found in the Microsoft Security Response Center guide at: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43498

Microsoft .NET and Microsoft Visual Studio 2022 running on Microsoft Windows, Apple macOS, and Linux systems. Specific versions are indicated in the manufacturer's references (MSRC).